homework-jianmu/source/libs/function/src/functionMgt.c

81 lines
2.2 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "functionMgt.h"
#include "functionMgtInt.h"
#include "taos.h"
#include "taoserror.h"
#include "thash.h"
typedef struct SFuncMgtService {
SHashObj* pFuncNameHashTable;
} SFuncMgtService;
static SFuncMgtService gFunMgtService;
int32_t fmFuncMgtInit() {
gFunMgtService.pFuncNameHashTable = taosHashInit(128, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, HASH_NO_LOCK);
if (NULL == gFunMgtService.pFuncNameHashTable) {
return TSDB_CODE_FAILED;
}
return TSDB_CODE_SUCCESS;
}
typedef struct SFuncDef {
char name[TSDB_FUNC_NAME_LEN];
int32_t maxNumOfParams;
SFuncExecFuncs execFuncs;
} SFuncDef ;
FuncDef createFuncDef(const char* name, int32_t maxNumOfParams) {
SFuncDef* pDef = calloc(1, sizeof(SFuncDef));
if (NULL == pDef) {
return NULL;
}
strcpy(pDef->name, name);
pDef->maxNumOfParams = maxNumOfParams;
return pDef;
}
FuncDef setOneParamSignature(FuncDef def, int64_t resDataType, int64_t paramDataType) {
// todo
}
FuncDef setTwoParamsSignature(FuncDef def, int64_t resDataType, int64_t p1DataType, int64_t p2DataType) {
// todo
}
FuncDef setFollowParamSignature(FuncDef def, int64_t paramDataType) {
// todo
}
FuncDef setFollowParamsSignature(FuncDef def, int64_t p1DataType, int64_t p2DataType, int32_t followNo) {
// todo
}
FuncDef setExecFuncs(FuncDef def, FExecGetEnv getEnv, FExecInit init, FExecProcess process, FExecFinalize finalize) {
SFuncDef* pDef = (SFuncDef*)def;
pDef->execFuncs.getEnv = getEnv;
pDef->execFuncs.init = init;
pDef->execFuncs.process = process;
pDef->execFuncs.finalize = finalize;
return def;
}
int32_t registerFunc(FuncDef func) {
}